INSPECTION OF COMMERCIAL FERTILIZERS 



33 



CHEMICALS AND RAW PRODUCTS. 



Summary of Results of the Inspection of Unmixed Fertilizers 



Material. 



on M 



Nitrate of soda 

 Nitrate of potash . 



Nitrate of soda-potash 



Nitrate of lime 



Cal-Nitro 



Sulfate of ammonia 



Synthetic urea 



Cyanamid 



Ammo-Phos . 



Cottonseed meal 

 Soy bean meal 

 Linseed meal . 

 Castor pomace 

 Dried blood . 

 Milorganite . 



Horn and hoof meal 

 Superphosphate 16% . 



Superphosphate 20% . 



Superphosphate 40% . 



Superphosphate 47% (c) 



Precipitated bone . 



Basic slag phosphate . 



Phosphate rock, finely 

 ground 



Muriate of potash 50% 



Muriate of potash 60% 



High grade sulfate of 

 potash 



Sulfate of potash-mag- 

 nesia .... 



Cotton hull ashes . 



Wood ashes . 



Dry ground fish 



Animal tankage 

 Ground bone . 



Process tankage 

 Ground tobacco stems . 

 Pulverized manures : 



Sheep .... 



Sheep and goat . 



Cattle .... 



Poultry 



Poultry manure and 

 peat 

 Sheep manure and wool 

 waste 



10.74 (nitrogen) 

 10.74 (nitrogen) 



4 . 68 (potash) 

 12.36 (nitrogen) 



5.39 (potash) 

 14.03 (nitrogen) 



9.38 (nitrogen) 



8.37 (nitrogen) 



7.45 (nitrogen) 



9.20 (nitrogen) 

 8.47 (nitrogen) 



4 . 08 (available phos- 

 phoric acid) 

 22.23 (nitrogen) 

 19.97 (nitrogen) 

 25.08 (nitrogen) 

 24 . 14 (nitrogen) 

 30.85 (nitrogen) 

 27. 12 (nitrogen) 



4.21 (available phos- 

 phoric acid) 



27.45 (nitrogen) 



4 . 00 (available phos- 

 phoric acid) 



4 . 65 (available phos- 

 phoric acid) 



4 . 28 (available phos- 

 phoric acid) 



3 . 98 (available phos- 

 phoric acid) 



8. 55 (available phos- 

 phoric acid) 

 11 . 70 (available phos- 

 phoric acid) 



3.94 (potash) 

 3.04 (potash) 



5.09 (potash) 



6.85 (potash) 

 6.18 (potash) 



32.38 (nitrogen) 

 4.93 (phosphoric 

 acid) 

 22.99 (nitrogen) 

 3 . 50 (phosphoric 

 acid) 

 30.85 (nitrogen) 

 4.70 (phosphoric 

 acid) 

 21.72 (nitrogen) 



o Average chlorine .33%. 



b Average chlorine .05%. 



c Distributed by the Agricultural Adjustment Administration. 



d Average chlorine 1.72%. 



e Average chlorine 1.12%. 



/ Average chlorine 3.02%. 



g Average chlorine .11%. 



